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Digital Electronics

Digital Electronics
ASCII code is a

 10-bit code
 8-bit code
 7-bit code
 5-bit code

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Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 one
 two
 three
 four

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Digital Electronics
Stack is also known as

 Flash memory
 LILO memory
 FIFO memory
 LIFO memory

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 2’s complement is used to represent the numbers, then the range will be

 -256 to 256
 -128 to 127
 -256 to 255
 -128 to 128

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 none of these
 NAND
 AND
 OR

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 coder
 code converter
 code decoder
 code encoder

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